<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <el-card>
      <!-- 搜索框区域 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryINfo.query" clearable @clear="getGoodsList">
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddpage">添加商品</el-button>
        </el-col>
      </el-row>

      <!-- 表格区域 -->
      <el-table :data="goodsList" border stripe>
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column label="商品价格(元)" prop="goods_price" width="90px"></el-table-column>
        <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
        <el-table-column label="商品创建时间" prop="add_time" width="160px">
          <template slot-scope="scope">{{scope.row.add_time | dataFormat}}</template>
        </el-table-column>
        <el-table-column label="操作" width="130px">
          <template slot-scope="scope">
            <el-button type="primary" size="mini" icon="el-icon-edit"></el-button>
            <el-button
              type="danger"
              size="mini"
              icon="el-icon-delete"
              @click="removeById(scope.row.goods_id)"
            ></el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 
      handleSizeChange  当前的每页显示条数
      handleCurrentChange 页码值发送改变
      current-page  当前是第几页  需要绑定
      page-size  每页显示几条数据  需要绑定
      total 总数据条数-->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryINfo.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="queryINfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        background
      ></el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  data() {
    return {
      //查询参数对象
      queryINfo: {
        query: "",
        pagenum: 1,
        pagesize: 10,
      },
      //商品列表
      goodsList: [],
      //总数据条数
      total: 0,
    }
  },
  created() {
    this.getGoodsList()
  },
  methods: {
    //根据分页获取对应的商品列表
    //get参数都要有params指定参数
    async getGoodsList() {
      const { data: res } = await this.$http.get("goods", {
        params: this.queryINfo,
      })

      if (res.meta.status !== 200) {
        return this.$message.error("获取数据失败")
      }
      this.$message.success("获取成功")
      //   console.log(res.data);
      this.goodsList = res.data.goods
      this.total = res.data.total
    },
    //当前的每页显示条数发送改变
    handleSizeChange(newSize) {
      this.queryINfo.pagesize = newSize
      this.getGoodsList()
    },
    //页码值发生改变
    handleCurrentChange(newPage) {
      this.queryINfo.pagenum = newPage
      this.getGoodsList()
    },
    //根据商品id进行删除
    async removeById(id) {
      const resuleConfirm = await this.$confirm(
        "此操作将永久删除该文件, 是否继续?",
        "提示",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning",
        }
      ).catch((err) => err)
      if (resuleConfirm !== "confirm") {
        return this.$message.info("取消删除")
      }
      const { data: res } = await this.$http.delete("goods/" + id)
      if (res.meta.status !== 200) {
        return this.$message.error("删除失败")
      }
      this.$message.success("删除成功")
      this.getGoodsList()
    },
    //新增商品页面
    goAddpage(){
        //跳转指定页面
this.$router.push('/gooods/add')
    }
  },
}
</script>

<style lang="less" scoped>
</style>